S
M
T
W
T
F
S
30
84°
76°
31
91°
71°
1
92°
69°
2
93°
71°
3
91°
70°
4
92°
69°
5
92°
69°
6
86°
66°
7
83°
65°
8
87°
64°
9
87°
61°
10
86°
63°
11
87°
61°
12
82°
58°
13
82°
57°
14
83°
58°
15
79°
61°
16
76°
61°
17
76°
60°
18
79°
61°
19
78°
60°
20
75°
58°
21
77°
57°
22
78°
55°
23
77°
55°
24
80°
59°
25
81°
59°
26
77°
57°
27
72°
58°
28
73°
58°
29
74°
57°
30
78°
57°
1
74°
56°
2
74°
55°
3
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cleveland
Cleveland's September 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 55° and 71°. The average high for September is 81° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Cleveland. See also: October | November | December.
